Self-reported sleep bruxism is associated with vitamin D deficiency and low dietary calcium intake: a case-control study.

Background: Sleep bruxism may result in deleterious effects including loss of tooth enamel, fracture of teeth or restorations, teeth hypersensitivity or pain, and headache. The aim was to study the link between sleep bruxism, low serum vitamin D, low consumption of dietary calcium, psychological symptoms, and frequent headache.

Methods: This case-controlled study included 50 individuals with sleep bruxism and 50 age and gender matched controls.